<template>
  <view>
    <view class="goods-list">
      <view @click="goDetail(item)" v-for="(item, i) in goodsList" :key="i">
        <my-goods :goods="item"></my-goods>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        // 请求参数对象
        queryObj: {
          query: '',
          cid: '',
          pagenum: 1,
          pagesize: 10
        },
        goodsList: [],
        total: 0,
        // 
        isloading: false 
      };
    },
    onLoad(options) {
      this.queryObj.query = options.query || ''
      this.queryObj.cid = options.cid || ''
      
      // 获取商品列表数据
      this.getGoodsList()
    },
    methods: {
      // 获取商品列表数据的方法
      async getGoodsList(cb) {
        // 打开节流阀
        this.isloading = true
        const {data: res} = await uni.$http.get('/api/public/v1/goods/search', this.queryObj)
        // 关闭节流阀
        this.isloading = false
        cb && cb()
        if(res.meta.status !== 200) return uni.$showMsg()
        
        this.goodsList = [...this.goodsList, ...res.message.goods]  
        this.total = res.message.total
      },
      goDetail(item) {
        uni.navigateTo({
          url: '/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id
        })
      }
    },
    onReachBottom() {
      if(this.queryObj.pagenum * this.queryObj.pagesize >= this.total) return uni.$showMsg('数据加载完毕')
      // 让页码值自增加一
      if(this.isloading) return 
      this.queryObj.pagenum ++
      this.getGoodsList()
    },
    onPullDownRefresh() {
      this.queryObj.pagenum = 1
      this.total = 0
      this.isloading = false,
      this.goodsList = []
      
      this.getGoodsList(() => uni.stopPullDownRefresh())
      
    }
  }
</script>

<style lang="scss">
  


</style>
